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4. TROUBLE SHOOTING
4.9 Speaker Trouble
TEST POINT
R208
R206
CIRCUIT
C210
470n
SPK_N
C211
470n
SPK_P
AMP_SHDN
AMP_SHDN
LOW
AMP INACTIVE
HIGH
AMP ACTIVE
LGE Internal Use Only
AUDIO AMP
C205
R205
R206
10K
C3
R208
10K
C2
B1
C1
R211
100K
C214
220n
U201
VBAT
C203
2.2u
NA
39K
U201
A3
IN-
VDD
B3
IN+
VO+
A1
_SHUTDOWN
VO-
B2
BYPASS
GND
TPA6205A1ZQVR
R213
39K
C255
NA
Copyright © 2008 LG Electronics. Inc. All right reserved.
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C204
1u
SPK_RCV_P
SPK_RCV_N
Only for training and service purposes
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